The East Caribbean dollar is the currency of: Antigua and Barbuda, Dominica, Grenada, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Anguilla and Montserrat. It is pegged to the US dollar at US$1 = EC$2.7.

The rial is the currency of Iran although Iranians commonly express the prices of goods in tomans. In 2012, the government launched a foreign exchange centre, that would provide importers of some basic goods with foreign exchanges, at a rate about 2% cheaper than the open market rate on a given day. As of 2013, it remains the world's least valued currency unit.